Manganese vs Polonium
| Property | Mn Manganese | Po Polonium |
|---|---|---|
| Atomic number | 25 | 84 |
| Symbol | Mn | Po |
| Name | Manganese | Polonium |
| Category | transition-metal | metalloid |
| Standard Atomic Weight | 54.938044 u | 209 u |
| Period | 4 | 6 |
| Group | 7 | 16 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d5 | [Xe]6s24f145d106p4 |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5, 6, 7] | [-2, 2, 4, 5, 6] |
| Electronegativity (Pauling) | 1.55 | 2 |
| Electron affinity | -0.5 eV | 1.9 eV |
| Density | 7300 kg/m³ | 9320 kg/m³ |
| Melting point | 1245.85 °C | 253.85 °C |
| Boiling point | 2060.85 °C | 961.85 °C |
| Discovery year | 1774 | 1898 |